
600 3RD AVENUE S UNIT 301, ST PETERSBURG, FL, 33701
Active401 days on marketListed Jul 7, 2025MLS #TB8399780
About this home
600 3RD AVENUE S UNIT 301
Welcome to effortless downtown living in the heart of St. Petersburg. This newly constructed five-floor boutique style condo in Castille Urbana. A third-floor unit #301 offers 3-bedroom, 3 bathrooms and a rare combination of modern luxury, privacy, and walkable convenience. Inside, you'll find two elegant primary suites with spa-inspired baths and custom Closet by Design walk-in closets, along with a beautiful kitchen featuring an oversized island that opens seamlessly to the light-filled living space and private Trex balcony—an inviting setting for morning coffee or evening sunsets. Thoughtfully finished with impact-rated windows, custom motorized shades, designer lighting, abundant storage, and a spacious laundry room, this residence is designed for effortless everyday living. Located in a no-flood, no-evacuation zone, it also offers one assigned garage parking space, and street guest parking for only $30 per year, a dog-washing station, a cozy community room with a fitness corner, and the advantage of a low monthly HOA of just $579. With streamlined amenities and lower ownership costs, you'll have more freedom to enjoy the vibrant lifestyle that makes downtown St. Pete so desirable. Step outside and, within a five-minute walk, discover acclaimed restaurants, neighborhood cafés, rooftop bars, boutique shopping, yoga studios, state-of-the-art fitness centers, waterfront parks, museums, theaters, and live entertainment. Whether it's a spontaneous date night, a morning workout, or a sunset stroll along the waterfront, everything you love about city living is just moments from your front door. This is more than a home—it's an opportunity to embrace one of Florida's most vibrant, walkable, and sought-after downtown lifestyles.
Facts & features
The home at a glance
3
Bedrooms
3
Bathrooms
1,650
Sqft
0 ac
Lot size
1
Garage
2025
Year built
One
Levels
$506
Per sqft
Inside
Outside & construction
Community & fees
Utilities & systems
The numbers
What it really costs
Built from this home's actual numbers — the most recent property-tax bill on record — not generic estimates.
$4,979 /mo · 10% down Conventional, 30-yr fixed at 6%
The assumptions
Above the FHA loan limit for our service areas, so Conventional is the default. VA buyers: switch below — $0 down.
These numbers assume a generic buyer — your credit, down payment and loan program change them. Get the real quote in minutes:

Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Run your own numbers
FHA isn’t available at this price — the loan would exceed the $541,287 FHA limit for our service areas.
Estimated payment
$5,744/mo
Includes estimated PMI — it drops off once you reach 20% equity. Estimates only — taxes at 1.1%/yr and typical insurance; your lender’s numbers will differ. CENTURY 21 Edge partners with Florida’s best lenders.
Value check
Is the price right?
The internet’s favorite home-value number comes from a single automated model that has never seen the street, the finishes, or the view — which is why it routinely misses by tens of thousands of dollars. The edgeAI estimate combines multiple independent data sources with our team’s on-the-ground expertise in this exact market.
vs edgeAI estimate
−46%
$/sqft vs St Petersburg actives
$506 vs $336
Days on market
401 vs 58 typical
Where $506/sqft sits among the 400 St Petersburg actives
The edgeAI estimate is a starting point, not an appraisal or a broker price opinion. It is generated from public records, listing data and market modeling, and is subject to change once a licensed real estate professional personally inspects the property. Condition, floor, view and lot are not fully captured by any model — ask us for a full comparative market analysis.
Where it sits
Inside St Petersburg
Drive times from this address
Estimated driving times, typical traffic. Data © OpenStreetMap contributors.
Get to know St Petersburg. See the full St Petersburg guide →
ST PETERSBURG 33701 — neighborhood snapshot
Population
18,485
Median age
46.3
Median income
$69,098
Median home value
$590,900
Avg household
1.65
Households w/ children
934
For the school run
Pinellas County School District
School assignments and ratings via edgeAI — always verify with the district.
The numbers that matter
The St Petersburg market
$380K → $402K
St Petersburg median sold, yr/yr
95.8%
Sale-to-list ratio (12 mo)
225 of 400
St Petersburg actives have cut their price
Median sold price, St Petersburg, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 8% above the ST PETERSBURG 33701 median. See the full St Petersburg market guide →
Paper trail
This home's history
Reality check
What actually sold near 600 3RD AVENUE S UNIT 301
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Mar ’26$900,000
600 3RD AVENUE S UNIT 505 · same community
3 bd · 3 ba · 1,650 sqft · $545/sqft · 192 DOM
Sold · Dec ’25$875,000
600 3RD AVENUE S UNIT 210 · same community
3 bd · 3 ba · 1,650 sqft · $530/sqft · 87 DOM
Sold · Feb ’26$725,000
600 3RD AVENUE S UNIT 508 · same community
2 bd · 2 ba · 1,406 sqft · $516/sqft · 201 DOM
Closed-sale data from the MLS, last 12 months, selected for similarity in size and location. No two homes are identical — ask us for a full comparative analysis.
Your home team
The pros in your corner
Buying a home is two conversations — the home and the money. Here’s who handles each, side by side, already working together.
Your agent
David Ramirez
Real Estate Agent · CENTURY 21 Edge
Tours, negotiation, and every question about 600 3RD AVENUE S UNIT 301 — start here.

Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 600 3RD AVENUE S UNIT 301 — before you fall in love.
See it in person
Schedule a tour
Pick a day that works — this goes straight to David's phone and CRM.
Straight answers
600 3RD AVENUE S UNIT 301 FAQs
What would the monthly payment be for 600 3RD AVENUE S UNIT 301?+
With 10% down on a 30-year Conventional loan at 6%, the all-in payment lands around $4,979/mo — principal and interest, estimated property taxes and typical Florida insurance. The payment calculator on this page lets you switch loan type (FHA, Conventional, VA) and adjust the down payment, rate and term.
What are the property taxes on 600 3RD AVENUE S UNIT 301?+
The most recent tax bill on record (2025) was $0. A new owner's bill can differ once the sale price resets the assessed value — we can walk you through what to expect.
Are pets allowed at 600 3RD AVENUE S UNIT 301?+
The listing reports pets: Cats OK, Dogs OK. Communities often layer on breed or weight rules — we'll verify the specifics with the association before you commit.
How does the price compare to other homes in St Petersburg?+
At $835,000, this home is listed about 92% above the St Petersburg median of $435,000. The market section on this page shows how the area is trending.
Which schools are assigned to 600 3RD AVENUE S UNIT 301?+
Campbell Park Elementary School (elementary), John Hopkins Middle School (middle), St. Petersburg High School (high) — Pinellas County School District. Always verify school assignments with the district before relying on them.
The brief
Three things that matter here
01City views
The city view is part of what you're buying — views hold value independently of the structure.
02Time on market is leverage
401 days on market against a St Petersburg median of 58 — sellers in this position are usually ready to negotiate.
03The price has already moved
Listed at $950,000, now $835,000 — a $115K cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of COLDWELL BANKER REALTY · Kirk Kristensen. MLS #TB8399780.
IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by Stellar MLS.
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